"Shoot me your email. There are a lot of different rattlefix permutations that we can use. Make sense since there are a few difference scenarios that cause the wastegate rattle. I can send you some variations to try out. Easy to fix."

I'm not here to blame the tune for causing the rattles. My original post clearly stated that the problem is with not getting the service that was promised. There's a clear difference between the two.

In that case instead of posting on the forums or trying to PM him. Either fill out his call back form that is one the Vishnu website or email him directly at shiv@vishnutuning.com